From Roche Holding AG to Novartis AG, bad news abounds for anti-TIGIT immunotherapies. In an SEC filing on July 11, Chinese oncology R&D firm Beigene Ltd. and Basel, Switzerland-based Novartis announced an end to their $1 billion deal to develop the former’s TIGIT immunotherapy ociperlimab, with the checkpoint inhibitor going back to Beigene.